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MC-7834-KC Fiches technique(PDF) 1 Page - NEC

No de pièce MC-7834-KC
Description  870 MHz GaAs CATV 20 dB PUSH-PULL AMPLIFIER
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Fabricant  NEC [NEC]
Site Internet  http://www.nec.com/
Logo NEC - NEC

MC-7834-KC Fiches technique(HTML) 1 Page - NEC

  MC-7834-KC Datasheet HTML 1Page - NEC MC-7834-KC Datasheet HTML 2Page - NEC  
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NEC's 870 MHz GaAs CATV
20 dB PUSH-PULL AMPLIFIER
MC-7834-KC
OUTLINE DIMENSIONS (Units in mm)
PACKAGE OUTLINE H02
FEATURES
• GaAs ACTIVE DEVICES
• LOW DISTORTION
• HIGH LINEAR GAIN:
MC-7834-KC - GL = 21 dB MIN at f = 870 MHz
• LOW RETURN LOSS
• LOW GAIN CHANGE OVER TEMPERATURE
• SPECIFIED FOR 79, 110, and 132 CHANNELS
PERFORMANCE
• HIGH RELIABILITY AND RUGGEDNESS:
Withstands environmental extremes as well as Silicon
devices (Surge, ESD, Etc.)
DESCRIPTION
NEC's MC-7834-KC is a GaAs Multi-Chip Module designed
for use as input stages in CATV applications up to 870 MHz.
Because this unit is a GaAs device, it has low distortion, low
noise figure, and low return loss across the entire frequency
band. The MC-7834-KC is similar to NEC's standard push-pull
devices, but with the higher current allows better distortion
performance, especially X-Mod.
Like the previous generation of products, these devices sur-
vive such hazards as surge and ESD as well as their silicon
competitors, but deliver superior performance with low DC
current required.
All devices are assembled and tested using fully automated
equipment to maximize consistency in part to part perfor-
mance, and reliability is assured by NEC's stringent quality
and process control procedures. These parts come in industry
compatible hybrid packages.
VDD
9
1
In
Out
Gnd
23 7 8
2.54±0.38
21.5 MAX
6-32 unc 2B
2.54±0.25
12 3
5
7 8 9
4.19±0.13
14.85 MAX
4.25
+ 0.25
- 0.35
4.0±0.25
5
10.75±0.25
27.5 MAX
38.1±0.25
45.08 MAX
0.51±0.050
3.2 MAX
A
0.38.. A
25.4±0.25
19.05±0.38
8.1 MAX
2.5
6.3
±0.05
California Eastern Laboratories
APPLICATIONS
• CATV HEADEND SYSTEMS
• CATV OPTICAL NODES
• CATV DISTRIBUTION AMPS
PART NUMBER
MC-7834-KC
TEST CONDITIONS
SYMBOLS
CHARACTERISTICS
UNITS
MIN
TYP
MAX
BW
Frequency Range
MHz
50
870
GL
Linear Gain
dB
20.0
21.0
f = 870 MHz
S
Gain Slope
dB
0.2
1.0
f = 40 to 870 MHz
Gf
Gain Flatness
dB
0.7
40 to 870 MHz; Peak to Valley
NF
Noise Figure 1
Noise Figure 2
dB
6.5
f = 50 MHz
––
7.0
f = 870 MHz
RL
Input/Output Return Loss
dB
20.0
40 to 160MHz
19.0
160 to 320 MHz
17.5
320 to 640 MHz
16.0
640 to 870 MHz
IDD
Operating Current
mA
180
325
RF OFF
CTB
Composite Triple Beat
dBc
-59
f = 40 to 870 MHz; 110 Channels,
VOUT = 44 dBmV, Flat
XMod
Cross Modulation
dBc
-52
CSO
Composite Second Order
dBc
-59
ELECTRICAL CHARACTERISTICS (TA = 30±5 °C, VDD = 24 V, ZS = ZL = 75 Ω)


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